Avantik QS11 - Page 56

Avantik Cryostat QS11 / QS11UV
Avantik
36 Commerce St.
Springfield NJ 07081 / USA
387 779 - English
56
Sections do not stretch, although
the correct temperature has
been selected and the anti-roll
plate has been adjusted
correctly
Knife and/or anti-roll plate are
not clean
Edge of anti-roll plate is
damaged
Blunt knife
Clean with a dry cloth or brush
Replace anti-roll plate
Move the knife
Sections break, fissures in the
sections, sections are not
stretched properly
Specimen too cold
Static charge/draught
Specimen not cold enough
Spacious specimen
Anti-roll plate not adjusted
properly
Anti-roll plate not aligned parallel
towards the knife edge
Incorrect clearance angle
Blunt knife
Select a higher temperature
Remove the cause
Select a deeper temperature
Trim the specimen in a parallel
way; select a thicker section
thickness
Readjust the anti-roll plate
Align parallel
Readjust the clearance angle
Move the knife
Sections roll over the anti-roll
plate
Anti-roll plate does not project
over the knife edge properly
Readjust the anti-roll plate
Scratching noise while cutting
and during the return travel of
the specimen clamping
Anti-roll plate projects over the
knife edge too much and
scratches on the specimen
Readjust the anti-roll plate
Thick-thin-sections Knife sharpness
Knife angle
Clamping on knife carrier
Clamping on specimen holder
Move the knife
Readjust
Check clamping
Check clamping
Tight handwheel
punctual
during the entire movement
Debris and section waste
between microtome and base
plate
Soiled link block
Toothed belt tension
Remove and clean
Please call a service technician
No chamber illumination Defective lamp
Defective starter
Check, replace
Check, replace
Note:
In case of malfunctions and/or service work, please turn off the instrument and contact your
local dealer.